<!DOCTYPE html>
<meta charset="utf-8" />
<title>Popover light dismiss behavior when scrolled within</title>
<link rel="author" href="mailto:masonf@chromium.org">
<link rel=help href="https://open-ui.org/components/popover.research.explainer">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="resources/popover-utils.js"></script>

<style>
  [popover] {
    /* Position most popovers at the bottom-right, out of the way */
    inset:auto;
    bottom:0;
    right:0;
  }
  [popover]::backdrop {
    /* This should *not* affect anything: */
    pointer-events: auto;
  }
</style>

<div popover id=p>Inside popover
  <div style="height:2000px;background:lightgreen"></div>
  Bottom of popover
</div>
<button popovertarget=p>Popover</button>
<style>
  #p {
    width: 300px;
    height: 300px;
    overflow-y: scroll;
  }
</style>
<script>
  const popover = document.querySelector('#p');
  promise_test(async () => {
    popover.showPopover();
    assert_equals(popover.scrollTop,0,'popover should start non-scrolled');
    await new test_driver.Actions()
       .scroll(0, 0, 0, 50, {origin: popover})
       .send();
    await waitForRender();
    assert_true(popover.matches(':popover-open'),'popover should stay open');
    assert_equals(popover.scrollTop,50,'popover should be scrolled');
    popover.hidePopover();
  },'Scrolling within a popover should not close the popover');
</script>
